package cn.itcast.service.impl;


import cn.itcast.constant.MessageConstant;
import cn.itcast.dao.MemberDao;
import cn.itcast.dao.OrderDao;
import cn.itcast.dao.OrderSettingDao;
import cn.itcast.entity.Result;
import cn.itcast.pojo.Member;
import cn.itcast.pojo.Order;
import cn.itcast.pojo.OrderSetting;
import cn.itcast.service.OrderService;
import cn.itcast.service.OrderSettingService;
import cn.itcast.utils.DateUtils;
import com.alibaba.dubbo.config.annotation.Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;


@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private MemberDao memberDao;

    /**
     * 体检预约
     *
     * @param map
     * @return
     */
    @Override
    public Result order(Map map) throws Exception {

        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findAllByOrderDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if (reservations >= number) {
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        //3、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注 册并进行预约
        //用户根据手机号确认
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if (member != null) {
            //4、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约 则无法完成再次预约
            String setmealId = (String) map.get("setmealId");
            Integer memberId = member.getId();
            Order order = new Order(memberId, date, Integer.parseInt(setmealId));
            List<Order> list = orderDao.findByCondition(order);
            //判断是否重复预约
            if (list != null && list.size() > 0) {
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }

        //可以预约，设置预约人数加一
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        //注册会员

        member = new Member();
        member.setName((String) map.get("name"));
        member.setPhoneNumber(telephone);
        member.setIdCard((String) map.get("idCard"));
        member.setSex((String) map.get("sex"));
        member.setRegTime(new Date());
        memberDao.add(member);

        //添加预约信息
        Order order = new Order(member.getId(), date, (String) map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        //5、预约成功，更新当日的已预约人数
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());
    }

    /**
     * 查询预约成功的信息
     * @param id
     * @return
     */
    @Override
    public Map findById(Integer id) throws Exception{
        Map map = orderDao.findById(id);
        if (map!=null){
            //处理日期格式
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
